R. Hartwell Gardner

Pioneer Natural Resources Co. operates as an independent oil and gas exploration and production company. The firm engages in hydrocarbon exploration in the Cline Shale. It focuses on the operation of the Permian Basin, Eagle Ford Shale, Rockies, and West Panhandle projects. The company was founded by Scott Douglas Sheffield on April 2, 1997, and is headquartered in Irving, TX.

Oil Investment Corp. Ltd. provides investment services. The company is headquartered in Hamilton, Bermuda.

Part of Energy Transfer LP, Oil Casualty Investment Corp. Ltd. engages in underwriting fire, marine, and casualty insurance. The company is based in Pembroke, Bermuda.

Financial Executives International enhances member professional development through peer networking, career planning services, conferences, publications and special reports, and research. Its members include Chief Financial Officers, Vice Presidents of Finance, Treasurers, and Controllers. The company was founded in December 1931 and is headquartered in Morristown, NJ.

Mobil Corp. operates primarily in the petroleum industry. The company is headquartered in The Woodlands, TX.

H. Muehlstein & Co., Inc. provides marketing and distribution of plastic and rubber polymers. Its products include engineering resins, polyethylene, polypropylene and polystyrene, polybutadiene, styrene-butadiene rubber & specialty compounds. The company was founded by Herman Muehlstein in 1911 and is headquartered Orlando, FL.